Extending ERA System Range Using Signal Relay Technology

Learn how to create a powerful signal relay system using the ERA-UTX and ERA-DCRX’s C-FORM relay. This advanced configuration doubles your wireless alert system’s range, extending coverage up to 8,000 ft while eliminating interference issues in challenging environments.

Real-World Application Example

Let’s explore a common scenario where a business needs to extend their wireless alert coverage. The customer starts with a standard ERA-DCKIT package that includes:

• ERA-PBTX (wireless push button transmitter for entrance alerts)
• ERA-RXPG (plug-in receiver for alert notifications)

Common Challenges:

1. Signal degradation through metal structures or thick walls
2. Inconsistent notifications in large facilities
3. Dead zones in complex building layouts

Enhanced Solution: Implement a signal relay system by connecting an ERA-UTX to an ERA-DCRX’s C-FORM relay. This configuration creates a powerful signal bridge that extends coverage by an additional 4,000 ft while maintaining signal integrity.

Advanced Configuration Process:

1. Link your existing ERA-PBTX transmitter to the new ERA-DCRX receiver
2. Wire the ERA-UTX to the ERA-DCRX’s C-FORM relay following our detailed instructions
3. Program the ERA-UTX to communicate with your original ERA-RXPG receiver

Signal Relay Operation Sequence:

1. Activation begins when the ERA-PBTX transmitter is triggered
2. The ERA-DCRX receives this initial signal and sounds its first alert
3. The ERA-DCRX’s C-FORM relay activates, triggering the connected ERA-UTX
4. The ERA-UTX broadcasts a fresh, full-strength signal
5. Your original ERA-RXPG receives this boosted signal and produces its alert

Professional Installation Guide

Follow these detailed steps to properly connect your ERA-UTX to the ERA-DCRX’s C-FORM relay:

1. Preparation and Safety:
   a. Power down all system components
   b. Gather necessary tools (wire strippers, screwdrivers)
   c. Review both device manuals for cover removal instructions
   d. Create a clean, well-lit workspace
2. Primary Connection Setup:
   a. Locate the ERA-UTX’s Normally Open (N/O) terminal
   b. Identify the ERA-DCRX’s N/O relay terminal
   c. Use 18-22 AWG wire to connect these points
   d. Ensure proper wire stripping and secure connections
3. Common Terminal Wiring:
   a. Find the ERA-UTX’s Common (“C”) terminal
   b. Locate the ERA-DCRX’s Common relay terminal
   c. Connect using appropriate gauge wire
   d. Verify connection stability and proper insulation
4. Final Assembly:
   a. Double-check all connections
   b. Verify wire routing and clearances
   c. Secure any loose wires
   d. Carefully reinstall device covers

System Programming Guide

1. ERA-DCRX Configuration:
   a. Access programming mode
   b. Follow pairing sequence for ERA-PBTX
   c. Verify successful programming with test signals
   d. Configure any custom alert tones if desired
2. ERA-UTX Setup:
   a. Enter programming mode on ERA-RXPG
   b. Trigger ERA-UTX to establish pairing
   c. Confirm successful connection
   d. Test signal relay functionality

System Optimization Tips

• Position components strategically to maximize line-of-sight between units when possible
• Conduct thorough range testing under various conditions to ensure reliable coverage
• Consider environmental factors that might affect signal strength:
  – Metal structures or equipment
  – Electronic interference sources
  – Building materials and layout
  – Seasonal changes in facility usage
• Implement regular system checks to maintain optimal performance:
  – Monthly signal strength verification
  – Connection inspection
  – Alert function testing
  – Documentation of any changes

Important Safety and Performance Notes

• Always disconnect power before performing any wiring modifications
• Use proper wire gauge and insulation for all connections
• Maximum range specifications assume optimal conditions; actual range may vary based on environment
• Keep detailed records of your installation configuration for future reference
• Consider adding backup power options for critical applications

By implementing this professional-grade signal relay configuration, you’ll create a robust and reliable wireless alert system capable of covering even the most challenging commercial environments. Regular maintenance and proper installation ensure optimal performance for years to come.